Can Frontosa live with Red Tail Shark? Not recommended
Preferred water chemistry differs — manageable but not ideal.
Side by side
| 🐡 Frontosa | 🦈 Red Tail Shark | |
| Adult size | 12" | 5" |
| Min tank | 75 gal | 55 gal |
| Temperature | 74–82°F | 72–79°F |
| pH | 7.8–9 | 6.5–7.5 |
| Temperament | Semi-aggressive | Aggressive |
Why
- Preferred water chemistry differs — manageable but not ideal.
- Frontosa is large or predatory enough to eat or harass Red Tail Shark.
- Aggressive plus semi-aggressive pairing — watch for territorial disputes.